Martin, Guillermo
Current rating: 1402
Record: 4-10
| Grand Prix Bilbao 2013 (modern) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 188 | Dominguez, Francisco 2 (1488) | Lost 0-2 | -171414 |
| 2modern | 375 | Garcia Ramos, Hector (1435) | Won 2-0 | +191433 |
| 3modern | 225 | Cerezo, Toni (1502) | Won 2-0 | +191452 |
| 4modern | 159 | Lingaud, Albin (1484) | Won 2-1 | +181470 |
| 5modern | 216 | Cooman, Andy (1503) | Lost 0-2 | -171453 |
| 6modern | 250 | Panara, Bruno (1480) | Lost 0-2 | -181435 |
| 7modern | 320 | Nicolas, Mesas Pulido (1499) | Lost 0-2 | -161419 |
| 8modern | 298 | Huang, Zhenfeng (1467) | Lost 0-2 | -171402 |
| average opponent: 1482record: 3-5 | new rating: 1402 | |||
| Grand Prix Madrid 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 54 | Moacho, Filipe (1491) | Lost 1-2 | -181482 |
| 2sealed | 210 | Escobar Pastor, Dionisio (1520) | Lost 0-2 | -171465 |
| 3sealed | 284 | Perez Fresnedo, Javier (1639) | Won 2-0 | +211486 |
| 4sealed | 278 | Morger, Christoph (1464) | Lost 1-2 | -191467 |
| 5sealed | 290 | Lotti, Christopher (1463) | Lost 0-2 | -181449 |
| 6sealed | 264 | Bergadano, Giulio (1443) | Lost 0-2 | -181431 |
| average opponent: 1503record: 1-5 | new rating: 1431 | |||